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VOLUME 95 (2012) | ISSUE 3 | PAGE 138
Effects of plasmonic resonances and transparency of nanoshells for optical filtering
Abstract
We show that narrow optical band pass filters can be created by means of nanoparticles which consist of a dielectric sphere and a metallic shell. The components can be adjusted such that there is a remarkable transparency at the desired wavelength range, while a strong absorption takes place outside of this region.